We measure the temperature of rivers and streams across the state. In summer, we continuously log stream temperatures at 30-minute monitoring intervals at most long-term and basin ambient monitoring ...

Our Manchester Environmental Laboratory is Washington's primary environmental laboratory, providing scientific services to local, state, federal, and tribal governments. We have a full staff of ...

Fire danger is high in many areas because of hot, dry weather. Most of the state is still in a drought. Burn bans are in place across Washington. Check with your local fire district before lighting ...

We work to ensure that the U.S. Dept. of Energy — the federal agency responsible for Hanford and its cleanup — follows environmental laws. Our agency partners with the U.S. Environmental Protection ...

We use Geographic Information System (GIS) tools and procedures to help accomplish our mission to protect the land, air, and water of the state. This technology is widely used in support of the agency ...

Our Underground Storage Tank (UST) program is one of the largest pollution prevention programs at Ecology. Every year, just over 3 billion gallons of fuel are stored underground. We inspect tank ...

State law requires that enough water is kept in streams and rivers to protect and preserve instream resources and values such as fish, wildlife, recreation, aesthetics, water quality, and navigation.

The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...

Near the beginning of the cleanup process, Rayonier A.M. Properties LLC and Ecology found many cleanup activities that could move forward quickly. Before the long process of planning further actions ...

We are accountable to the Legislature, the Governor, and the people of Washington. We make every effort to ensure our work is transparent.

We also provide educational resources to property owners who want to drill a new well, maintain a well, or close down (decommission) an unused well. Well drillers and property owners have the ...

The state's wetland program goal is to achieve a no-overall-net loss in the amount (acreage) and function of Washington's remaining wetlands. The program also aims to increase the quantity and quality ...